Hawaii says it implemented missile plan before finishing it

Maj. Gen. Arthur “Joe” Logan, head of the Hawaii state Department of Defense, left, and Chris Leonard, president of the Hawaii Association of Broadcasters appear before a U.S. Senate committee hearing in Honolulu on Thursday. (AP Photo/Audrey McAvoy)

A false incoming ballistic missile emergency alert sent from the Hawaii Emergency Management Agency system. (AP Photo/Caleb Jones, file)

HONOLULU — The Hawaii Emergency Management Agency began implementing its plan for responding to a ballistic missile attack before it was entirely drafted, a senior state official said Thursday at a hearing on why the agency mistakenly sent cellphone and broadcast alerts across the islands in January.